200122010121111 has 32 divisors (see below), whose sum is σ = 292262027904000. Its totient is φ = 121049385191808.

The previous prime is 200122010121079. The next prime is 200122010121113. The reversal of 200122010121111 is 111121010221002.

It is a happy number.

It is not a de Polignac number, because 200122010121111 - 2⁵ = 200122010121079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200122010121113) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12730285 + ... + 23712953.

It is an arithmetic number, because the mean of its divisors is an integer number (9133188372000).

Almost surely, 2^{200122010121111} is an apocalyptic number.

200122010121111 is a deficient number, since it is larger than the sum of its proper divisors (92140017782889).

200122010121111 is a wasteful number, since it uses less digits than its factorization.

200122010121111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10990663.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 200122010121111 its reverse (111121010221002), we get a palindrome (311243020342113).

The spelling of 200122010121111 in words is "two hundred trillion, one hundred twenty-two billion, ten million, one hundred twenty-one thousand, one hundred eleven".